On Fri, Nov 23, 2007 at 09:51:01PM +0300, Evgeniy Polyakov ([EMAIL PROTECTED]) 
wrote:
> On Fri, Nov 23, 2007 at 09:48:51PM +0300, Evgeniy Polyakov ([EMAIL 
> PROTECTED]) wrote:
> > Stop, we are trying to free skb without destructor and catch connection
> > tracking, so it is not a solution. To fix the problem we need to check
> > if it is not netfilter related, kind of this (not tested), Simon please
> > give it a try:
> 
> And to be really cool we need to bypass skbs with xfrm attached, since
> its freeing also assumes BH context.

What about compile options?

Signed-off-by: Evgeniy Polyakov <[EMAIL PROTECTED]>

diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index 758dafe..adb3c54 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -196,10 +196,25 @@ static void zap_completion_queue(void)
                while (clist != NULL) {
                        struct sk_buff *skb = clist;
                        clist = clist->next;
-                       if (skb->destructor)
+                       if (skb->destructor) {
                                dev_kfree_skb_any(skb); /* put this one back */
-                       else
-                               __kfree_skb(skb);
+                               continue;
+                       }
+
+#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
+                       if (skb->nfct || skb->nfct_reasm) {
+                               dev_kfree_skb_any(skb); /* put this one back */
+                               continue;
+                       }
+#endif
+
+#ifdef CONFIG_XFRM
+                       if (skb->sp) {
+                               dev_kfree_skb_any(skb); /* put this one back */
+                               continue;
+                       }
+#endif
+                       __kfree_skb(skb);
                }
        }
 

-- 
        Evgeniy Polyakov
-
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